QGoSynchronizedView2D.h

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/*=========================================================================
 Authors: The GoFigure Dev. Team.
 at Megason Lab, Systems biology, Harvard Medical school, 2009-11

 Copyright (c) 2009-11, President and Fellows of Harvard College.
 All rights reserved.

 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are met:

 Redistributions of source code must retain the above copyright notice,
 this list of conditions and the following disclaimer.
 Redistributions in binary form must reproduce the above copyright notice,
 this list of conditions and the following disclaimer in the documentation
 and/or other materials provided with the distribution.
 Neither the name of the  President and Fellows of Harvard College
 nor the names of its contributors may be used to endorse or promote
 products derived from this software without specific prior written
 permission.

 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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=========================================================================*/
#ifndef __QGoSynchronizedView2D_h
#define __QGoSynchronizedView2D_h

#include "itkImageToVTKImageFilter.h"
#include "itkCastImageFilter.h"
#include "itkSmartPointer.h"
#include "itkImage.h"
#include "QGoSynchronizedView.h"
#include "SnapshotHelper.h"
#include "vtkSmartPointer.h"

class vtkCamera;
class vtkImageData;
class vtkEventQtSlotConnect;
class QGoImageView2D;

class QGoSynchronizedView2D:public QGoSynchronizedView
{
  // QT macro
  Q_OBJECT
  // itk typedef :
  // type of itk image for visualization
  typedef itk::Image< unsigned char, 2 > VisuImageType;
  // itk to vtk connector typdef
  typedef itk::ImageToVTKImageFilter< VisuImageType > itkvtkConnectorType;
public:
  explicit QGoSynchronizedView2D(QString iViewName, QWidget *iParent = 0);

  ~QGoSynchronizedView2D();

  void SetImage(vtkImageData *iImage);

  void Update(void);

  void Render(void);

  vtkCamera * GetCamera(void);

  bool HasViewer(void);

  void PrintOs(ostream & os);

  int GetSynchronizedViewType(void);

  template< typename TPixel >
  void SetImage(typename itk::Image< TPixel, 2 >::Pointer iImage)
  {
    typedef itk::Image< TPixel, 2 > InputImageType;
    // we cast the input to have a known image to display
    typedef itk::CastImageFilter< InputImageType, VisuImageType >
    CastFilterType;
    typedef typename CastFilterType::Pointer CastFilterTypePointer;

    CastFilterTypePointer castITKFilter = CastFilterType::New();
    m_itkvtkConnector = itkvtkConnectorType::New();

    castITKFilter->SetInput(iImage);
    castITKFilter->Update();
    m_itkvtkConnector->SetInput( castITKFilter->GetOutput() );
    m_itkvtkConnector->Update();

    SetImage( m_itkvtkConnector->GetOutput() );
    Update();
  }

  QGoImageView2D * GetImageView(void);

public slots:
  QString SnapshotViewXY( const GoFigure::FileType & iType,
                          const QString & iBaseName = tr("Snapshot") );

protected:
  void deleteViewer(void);

  void createViewer(void);

  QGoImageView2D *             m_View;
  itkvtkConnectorType::Pointer m_itkvtkConnector;
private:
  Q_DISABLE_COPY(QGoSynchronizedView2D);
};

#endif // __QGoSynchronizedView2D_h